Prepare aromatics (5 minutes).
Heat sesame oil in a medium pot over medium heat. Add onion and garlic, cooking until fragrant and softened.
Build the broth (10 minutes).
Stir in soy sauce, chili oil, chili garlic sauce, and ginger. Add chicken broth and bring to a gentle simmer over medium heat. Taste and adjust salt, pepper, or spice as needed.
Cook noodles (5 minutes).
In a separate pot, cook ramen noodles according to package directions. Drain and set aside.
Prepare toppings (while broth simmers).
Slice bell peppers, green onions, and mushrooms. Cook a soft boiled egg by boiling for 6–7 minutes, then plunging into ice water before peeling.
Assemble the ramen bowls (5 minutes).
Divide noodles into bowls. Ladle hot broth over the top. Add bell peppers, carrot, mushrooms, and half a soft boiled egg to each bowl.
Finish with garnishes (2 minutes).
Sprinkle with green onions, sesame seeds, and a drizzle of extra chili oil for that glossy, spicy finish.